90835840

素因数分解:

$2^7\times 5^1\times {\mathrm{141931}}^1$

素因数の和:141950

約数の個数: 32

約数和(自身を含む): 217155960

約数和(自身を除く): 126320120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 141931, 283862, 567724, 709655, 1135448, 1419310, 2270896, 2838620, 4541792, 5677240, 9083584, 11354480, 18167168, 22708960, 45417920, 90835840]

約数ペア:

[(1, 90835840), (2, 45417920), (4, 22708960), (5, 18167168), (8, 11354480), (10, 9083584), (16, 5677240), (20, 4541792), (32, 2838620), (40, 2270896), (64, 1419310), (80, 1135448), (128, 709655), (160, 567724), (320, 283862), (640, 141931)]